function my_rotation(file_name, rotation_degree)
img=imread(file_name);
img_p=imrotate(img,rotation_degree);
imwrite(img_p,"rotated_image.tif");
subplot(1,2,1);
imshow(img),title("原图");
subplot(1,2,2);
imshow(img_p),title("旋转后图片");

clear;
end
